Messages in this thread |  | | Subject | Re: [PATCH] 6lowpan: iphc: reset mac_header after decompress to fix panic | | From | Jukka Rissanen <> | | Date | Thu, 05 Jul 2018 14:42:55 +0300 |
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On Tue, 2018-06-19 at 16:44 -0700, Michael Scott wrote: > After decompression of 6lowpan socket data, an IPv6 header is > inserted > before the existing socket payload. After this, we reset the > network_header value of the skb to account for the difference in > payload > size from prior to decompression + the addition of the IPv6 header. > > > Signed-off-by: Michael Scott <michael@opensourcefoundries.com> > --- > net/6lowpan/iphc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/net/6lowpan/iphc.c b/net/6lowpan/iphc.c > index 6b1042e21656..52fad5dad9f7 100644 > --- a/net/6lowpan/iphc.c > +++ b/net/6lowpan/iphc.c > @@ -770,6 +770,7 @@ int lowpan_header_decompress(struct sk_buff *skb, > const struct net_device *dev, > hdr.hop_limit, &hdr.daddr); > > skb_push(skb, sizeof(hdr)); > + skb_reset_mac_header(skb); > skb_reset_network_header(skb); > skb_copy_to_linear_data(skb, &hdr, sizeof(hdr)); >
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Cheers, Jukka
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